三软厚煤层放顶煤工作面的注水降尘

CHINA COAL(1999)

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Abstract
郑煤集团超化矿11091综放工作面煤质松软易碎,亲水性差,常规的煤层注水预湿煤体防尘办法,实施起来存在一些问题.介绍了在该工作面进行注水降尘的试验情况,包括钻孔工艺、封孔技术以及注水压力与流量的关系,最后给出了4点结论.
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